Pennsylvania Water Science Center


Filter Total Items: 12
Date published: July 2, 2020

USGS is Hiring a Recent-Grad Groundwater Hydrologist in Pennsylvania

The USGS Pennsylvania Water Science Center is looking for a recent graduate quantitative groundwater hydrologist to join our team in southeastern Pennsylvania. This is a Term Pathways appointment for one year, with possible conversion to permanent. Ph.D. or M.S. graduates preferred. U.S. citizenship is required. 

June 5, 2020

Pennsylvania Waters - Summer 2020 - Issue 1

Introducing the Pennsylvania Water Science Center’s Newsletter, Pennsylvania Waters. Our newsletter will be published periodically to keep you informed of the latest USGS water-resources information for the Commonwealth of Pennsylvania. Articles present new data, reports, activities, and outreach from our center as well as USGS national and regional programs. 
You can also follow us on Instagram.

Date published: June 5, 2020

Director Chapman introduces "Pennsylvania Waters" newsletter

Melinda Chapman, recently appointed Director of the Pennsylvania Water Science Center (previously Assistant Chief of the USGS Office of Groundwater), introduces the first issue of the Pennsylvania Waters newsletter, available via

Date published: June 4, 2020

USGS Characterizes Flow Paths for Movement of PFAS in Groundwater in Southeastern Pennsylvania

A USGS study characterized groundwater flow paths from possible PFAS sources at three former and active military facilities in southeastern Pennsylvania. The new research will help federal, state and local officials, water resource managers and the public as they work to address PFAS contamination in groundwater and surface water used for private and public water supply.

Date published: March 20, 2020

Science Night at Fishing Creek Elementary School

USGS staff participated in Science Night at Fishing Creek Elementary School, where students learned about the native macroinvertebrate* population in nearby Yellow Breeches Creek.

Date published: April 9, 2019

Drought Streamflow Probabilities in Northeast Region

Maximum likelihood logistic regression (MLLR) is used to estimate drought probabilities for selected Northeast rivers and streams. Winter streamflows are used to estimate the chance of hydrologic drought during summer months. This application allows the display and query of these drought streamflow probabilities for Northeastern streams.

Date published: May 11, 2017

High Levels of Radon Found in Some Wells Across Pennsylvania

A new U.S. Geological Survey study has discovered high levels of radon in wells across certain areas of Pennsylvania.

Date published: March 6, 2017

USGS Finds Elevated Levels of Arsenic, Radon, Methane in Some Private Wells in Lycoming County, Pennsylvania

Tests of 75 private drinking water wells in Lycoming County, in north-central Pennsylvania, found water from most of the sampled wells contained concentrations of radon that exceeded a proposed, nonbinding health standard for drinking water. Smaller percentages of the wells contained concentrations of arsenic or methane that exceed existing drinking water standards.

Date published: February 28, 2017

New USGS Streamgages Provide Flood Monitoring for Additional Philadelphia Neighborhoods

Philadelphia communities along the Schuylkill River and Darby Creek now have new tools to help inform residents of impending flooding. The U.S. Geological Survey recently installed three new streamgages in Manayunk, Eastwick, and downtown near 30th St., which will monitor water levels, and provide vital data used by emergency managers and flood forecasters to help protect lives and property. 

Date published: January 19, 2017

Groundwater Quality in the Northern Atlantic Coastal Plain Aquifer System

A regional assessment of untreated groundwater in the Northern Atlantic Coastal Plain aquifer system in the eastern United States is now available from the U.S. Geological Survey.

Date published: January 19, 2017

Groundwater Quality in Eastern U.S.

A regional assessment of untreated groundwater in the combined Valley and Ridge and Piedmont and Blue Ridge aquifers in the eastern United States is now available from the U.S. Geological Survey.

Date published: May 10, 2016

New study reveals state of Juniata River watershed headwaters

A new study from the USGS assesses water quality data for the Juniata River Basin in Western Blair County, Pennsylvania.